Should Metal Roofs Be Grounded

Still the type of roofing is one of several risk factors.

Should metal roofs be grounded.

In simple terms the answer is no. The only way to protect a building is with a properly designed and installed lightning protection system lps. Some actual disadvantages to metal roofs. Wouldn t a grounded metal roof protect your home.

Do you need to have your metal roof grounded. Metal roofs are resistant to wind and hail weigh less than asphalt shingles require little maintenance and are energy efficient. We elaborate further in this post. Because metal roofs are by definition made out of metal you might be concerned about lightning and wonder whether you need to attach a lightning rod to your metal roof.

In the case of a metal roofed building any electricity from a lightning strike will be safely transferred to the ground below so occupants will be unaffected. Your metal roof is not grounded and thus lighting has no reason to strike it. A metal roof in no way makes your home more vulnerable or susceptible to lightning strikes. Metal conducts electricity but when you are dealing with a full roof a lightning strike would ground out through the rest of the structure without causing damage or harm to the interior.

Nor do metal roofs protect a building against lightning. If you plan on using metal roofing you may need to consider whether or not you need to ground that roofing like other metal equipment in construction. No in fact the best thing you can do for your own personal safety during a thunderstorm is to head indoors. Metal roofing is safe and you won t incur additional risks if you don t ground it in most circumstances.

It does not attract any extra attention from lightning and just like buildings constructed with traditional building materials any electricity from a lightning strike will will be safely transferred to the ground below so occupants will be unaffected. In general there s no need to unless it s mandated by your local building codes. What if lightning struck your roof. Metal roofs do not attract lightning strikes.

Do you need to ground metal roofs. The short answer is no you don t have to ground a metal roof and you will incur no additional risk if you don t ground it in most circumstances.